{
"metadata": {
"name": "",
"signature": "sha256:527aef20f7b40df168e6ff4a5ccb96d249aaf7c6743cc854ce1a221227ecfb75"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 5 - Making Decisions: if and switch Statements"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.1, page no. 100"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"a = 4\n",
"b = 5\n",
"print a, \" > \", b, \" is \", (a > b)\n",
"print a, \" >= \", b, \" is \", (a >= b)\n",
"print a, \" == \", b, \" is \", (a == b)\n",
"print a, \" <= \", b, \" is \", (a <= b)\n",
"print a, \" < \", b, \" is \", (a < b)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"4 > 5 is False\n",
"4 >= 5 is False\n",
"4 == 5 is False\n",
"4 <= 5 is True\n",
"4 < 5 is True\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.2, page no. 102"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter number of preregistered students: \",\n",
"total = int(raw_input())\n",
"print \"Enter number of students adding the course: \",\n",
"added = int(raw_input())\n",
"total = total + added\n",
"print \"Total number of students: \", total"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter number of preregistered students: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"30\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Enter number of students adding the course: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"3\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Total number of students: 33\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.3, page no. 104"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter a whole number: \",\n",
"num = int(raw_input())\n",
"if (num % 2 == 0):\n",
" print \"The number is even\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a whole number: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"4\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" The number is even\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.4, page no. 108"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter a whole number: \",\n",
"num = int(raw_input())\n",
"if (num % 2 == 0):\n",
" print \"The number is even\"\n",
"else:\n",
" print \"The number is odd\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a whole number: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"5\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" The number is odd\n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.4, page no. 109"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter a whole number: \",\n",
"num = int(raw_input())\n",
"print \"The number is\", (\"even\" if num %2 == 0 else \"odd\")"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a whole number: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" The number is even\n"
]
}
],
"prompt_number": 6
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.6, page no. 112"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter your test score: \",\n",
"testScore = int(raw_input())\n",
"if (testScore >= 90 ):\n",
" print \"Your grade is an A\"\n",
"elif (testScore >= 80 ):\n",
" print \"Your grade is a B\"\n",
"elif (testScore >= 70 ):\n",
" print \"Your grade is a C\"\n",
"elif (testScore >= 60 ):\n",
" print \"Your grade is a D\"\n",
"else:\n",
" print \"Your grade is an F\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your test score: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"70\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Your grade is a C\n"
]
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.7, page no. 115"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter your grade: \",\n",
"grade = raw_input()\n",
"\n",
"if grade == 'A':\n",
" print \"Your average must be between 90 - 100\"\n",
"elif grade == 'B':\n",
" print \"Your average must be between 80 - 89\"\n",
"elif grade == 'C':\n",
" print \"Your average must be between 70 - 79\"\n",
"elif grade == 'D':\n",
" print \"Your average must be between 60 - 69\"\n",
"else:\n",
" print \"Your average must be below 60\" "
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your grade: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"D\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Your average must be between 60 - 69\n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.8, page no. 118"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"\n",
"print \"Enter your grade: \",\n",
"grade = raw_input()\n",
"\n",
"if grade == 'A' or grade == 'a':\n",
" print \"Your average must be between 90 - 100\"\n",
"elif grade == 'B' or grade == 'b':\n",
" print \"Your average must be between 80 - 89\"\n",
"elif grade == 'C' or grade == 'c':\n",
" print \"Your average must be between 70 - 79\"\n",
"elif grade == 'D' or grade == 'd':\n",
" print \"Your average must be between 60 - 69\"\n",
"else:\n",
" print \"Your average must be below 60\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your grade: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"d\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Your average must be between 60 - 69\n"
]
}
],
"prompt_number": 10
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 5.9, page no. 119"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"\n",
"print \"Choose your car\"\n",
"print \"S for Standard\"\n",
"print \"L for Leather Seats\"\n",
"print \"D for Leather Seats + Chrome Wheels\"\n",
"choice = raw_input()\n",
"print \"Extra features purchased\"\n",
"if choice == 'D':\n",
" print \"Chrome wheels\\n\"\n",
"elif choice == 'L':\n",
" print \"Leather seats\"\n",
"else:\n",
" print \"None selected\"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"ename": "StdinNotImplementedError",
"evalue": "raw_input was called, but this frontend does not support stdin.",
"output_type": "pyerr",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[1;31mStdinNotImplementedError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m/home/jovina/TBC/hardik/c++-demystified/<ipython-input-1-44ee42c69511>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[0;32m 7\u001b[0m \u001b[1;32mprint\u001b[0m \u001b[1;34m\"L for Leather Seats\"\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 8\u001b[0m \u001b[1;32mprint\u001b[0m \u001b[1;34m\"D for Leather Seats + Chrome Wheels\"\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 9\u001b[1;33m \u001b[0mchoice\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mraw_input\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 10\u001b[0m \u001b[1;32mprint\u001b[0m \u001b[1;34m\"Extra features purchased\"\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 11\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mchoice\u001b[0m \u001b[1;33m==\u001b[0m \u001b[1;34m'D'\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;32m/home/jovina/epd/lib/python2.7/site-packages/IPython/zmq/ipkernel.pyc\u001b[0m in \u001b[0;36m<lambda>\u001b[1;34m(prompt)\u001b[0m\n\u001b[0;32m 251\u001b[0m \u001b[0mraw_input\u001b[0m \u001b[1;33m=\u001b[0m \u001b[1;32mlambda\u001b[0m \u001b[0mprompt\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;34m''\u001b[0m\u001b[1;33m:\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0m_raw_input\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mprompt\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mident\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mparent\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 252\u001b[0m \u001b[1;32melse\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 253\u001b[1;33m \u001b[0mraw_input\u001b[0m \u001b[1;33m=\u001b[0m \u001b[1;32mlambda\u001b[0m \u001b[0mprompt\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;34m''\u001b[0m \u001b[1;33m:\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0m_no_raw_input\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 254\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 255\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mpy3compat\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mPY3\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;32m/home/jovina/epd/lib/python2.7/site-packages/IPython/zmq/ipkernel.pyc\u001b[0m in \u001b[0;36m_no_raw_input\u001b[1;34m(self)\u001b[0m\n\u001b[0;32m 443\u001b[0m \"\"\"Raise StdinNotImplentedError if active frontend doesn't support\n\u001b[0;32m 444\u001b[0m stdin.\"\"\"\n\u001b[1;32m--> 445\u001b[1;33m raise StdinNotImplementedError(\"raw_input was called, but this \"\n\u001b[0m\u001b[0;32m 446\u001b[0m \"frontend does not support stdin.\") \n\u001b[0;32m 447\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mStdinNotImplementedError\u001b[0m: raw_input was called, but this frontend does not support stdin."
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Choose your car\n",
"S for Standard\n",
"L for Leather Seats\n",
"D for Leather Seats + Chrome Wheels\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}